Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Sample | Surface atomic concentration (%) | X Mn/% | X O/% | X Pr/% | BET (m2 g−1) | Pore volume (cm3 g−1) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mn | O | Pr | Mn4+ | Mn3+ | Mn2+ | Oα | Oβ | Pr4+ | Pr3+ | |||
| Hollow MnOx | 39.47 | 60.53 | — | 49.01 | 37.02 | 13.97 | 83.05 | 16.95 | — | — | 136.70 | 0.24 |
| Hollow MnOx@PrOx | 12.62 | 54.19 | 33.19 | 58.27 | 33.24 | 8.49 | 29.7 | 70.3 | 60.4 | 39.6 | 195.31 | 0.36 |
| Hollow MnOx–PrOx | 34.58 | 50.19 | 15.23 | 51.1 | 37.3 | 11.6 | 57.36 | 42.64 | 66.4 | 33.6 | 185.39 | 0.31 |
